1342220423443 has 2 divisors, whose sum is σ = 1342220423444. Its totient is φ = 1342220423442.

The previous prime is 1342220423419. The next prime is 1342220423471. The reversal of 1342220423443 is 3443240222431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342220423443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342220423399 and 1342220423408.

It is not a weakly prime, because it can be changed into another prime (1342220423413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671110211721 + 671110211722.

It is an arithmetic number, because the mean of its divisors is an integer number (671110211722).

Almost surely, 2^{1342220423443} is an apocalyptic number.

1342220423443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342220423443 is an equidigital number, since it uses as much as digits as its factorization.

1342220423443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 1342220423443 its reverse (3443240222431), we get a palindrome (4785460645874).

The spelling of 1342220423443 in words is "one trillion, three hundred forty-two billion, two hundred twenty million, four hundred twenty-three thousand, four hundred forty-three".